This is a list of vacuum tubes or thermionic valves, and low-pressure gas-filled tubes, or discharge tubes. Before the advent of semiconductor devices, thousands of tube types were used in consumer electronics. Many industrial, military or otherwise professional tubes were also produced. Only a few types are still used today, mainly in high-power, high-frequency applications.
Vintage General Electric 6CS7 vacuum tube marked 'Tassa Radiofonica'
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In the early days of electronics, devices that used vacuumtubes (called valves in British contexts), such as radios, were powered by batteries. Each battery...
was the first practical electronic amplifier and the ancestor of other types ofvacuumtubes such as the tetrode and pentode. Its invention helped make amplified...
displace indicator tubes. Tuning indicator tubes were used in vacuumtube receivers from around 1936 to 1980, before vacuumtubes were replaced by transistors...
Vacuumtubes produced in the former Soviet Union and in present-day Russia carry their own unique designations. Some confusion has been created in "translating"...
replacement. When tube equipment was common, retailers such as drug stores had vacuumtube testers, and sold replacement tubes. Some Nixie tubes were also designed...
6SL7. As of 2019[update], 6SN7s and 6SL7s are still manufactured in Russia and by JJ Electronic, and are widely available. Listofvacuumtubes 12AT7 12AU7...
fluoresce, emitting light. Unlike the orange-glowing cathodes of traditional vacuumtubes, VFD cathodes are efficient emitters at much lower temperatures...
valve amplifier or tube amplifier is a type of electronic amplifier that uses vacuumtubes to increase the amplitude or power of a signal. Low to medium...
The EL34 is a thermionic vacuumtubeof the power pentode type. The EL34 was introduced in 1955 by Mullard, who were owned by Philips. The EL34 has an...
one of the few small-signal vacuumtubes in continuous production since it was introduced. The 12AX7 is a twin triode basically composed of two of the...
tubes (or capsule pipelines, also known as pneumatic tube transport or PTT) are systems that propel cylindrical containers through networks oftubes by...
predetermined volume of liquid. Vacutainer tubes may contain additives designed to stabilize and preserve the specimen prior to analytical testing. Tubes are available...
In quantum field theory, a false vacuum is a hypothetical vacuum that is relatively stable, but not in the most stable state possible. In this condition...
6V6 is a beam-power tetrode vacuumtube. The first of this family oftubes to be introduced was the 6V6G by Ken-Rad Tube & Lamp Corporation in late 1936...
tube popular in guitar amplifiers. It belongs to a large family of dual triode vacuumtubes which share the same pinout (EIA 9A), including in particular...
(6П3С-E) 7027a 6V6 KT66 KT88 6550 6CA7 EL34 Listofvacuumtubes J. F. Dreyer Jr., "The Beam Power Output Tube", New York: McGraw-Hill, Electronics, April...
of all vacuumtubes, which dominated electronics for 50 years. The IEEE has described it as "one of the most important developments in the history of...
principally responsible for the standardised nomenclature for American vacuumtubes - however the standard itself had already been in use for a long time...
700 vacuumtubes, 1,700 germanium diodes and 12,500 resistors. It had 2,048 40-bit words of ferrite core memory. This machine was an early adopter of ferrite...
equivalent) 6N1P (Not a direct equivalent) 6N3P (Not a direct equivalent) Listofvacuumtubes [1] - 6DJ8 tube data at DuncanAmps. Reviews of 6DJ8/ECC88 tubes....
Retrieved 22 May 2014. "XL84". Retrieved 23 May 2014. [1] - EL84 data at TDSL. Vacuumtube datasheet archive Reviews of EL84/6bq5 tubes. Listofvacuumtubes...
the DK92. Listofvacuumtubes TransOceanic, the Royalty of Radios (Bryant and Cones) 2008 Radio Corporation of America (1960). Receiving Tube Manual -...
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